
| Comparative dynamics and optimal fiscal policy in a simple model of endogenous growth |
| Lagrange multipliers as marginal rates of substitution in multi-constraint optimization problems |
| Multiple constraints and hicksian complementarity: a generalization and an application to portfolio choice |
| On the determinants of complementarity: Elasticities of substitution, income shares, and relative prices |
| On the Hicks–Allen definition of complements and substitutes with discrete changes in prices |